20557989 (number)

20557989 is an odd 8-digits composite number following 20557988 and preceding 20557990. In scientific notation, it is written as 2.0557989 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 13705308 positive integers (up to 20557989) that are relatively prime to 20557989.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.0557989 × 10^7
Engineering notation 2.0557989 × 10^6

Prime Factorization of 20557989

Prime Factorization 27 × 761407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20557989
Product of the distinct prime numbers

The prime factorization of 20557989 is 27 × 761407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20557989)

Multiplication

n×y
n×2 41115978
n×3 61673967
n×4 82231956
n×5 102789945

Division

n÷y
n÷2 10278994.5
n÷3 6852663
n÷3 5139497.25
n÷5 4111597.8

Exponentiation

ny
n2 422630911724121
n3 8.6884416342845E+21
n4 1.7861688754476E+29
n5 3.6720040093594E+36

Nth Root

y√n
2√n 4534.0918605604
3√n 273.94300144584
4√n 67.335665590832
5√n 29.013233007058

Divisors of 20557989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20557988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20557989 can be divided by 4 positive divisors. The sum of these divisors (counting 20557989) is 1, the average is 0.25.

Base conversion 20557989

Base System Value
2 Binary 1001110011011000010100101
3 Ternary 1102200110021000
4 Quaternary 1032123002211
5 Quinary 20230323424
6 Senary 2012343513
8 Octal 116330245
10 Decimal 20557989
12 Duodecimal 6a74b99
16 Hexadecimal 139b0a5
20 Vigesimal 689ej9
36 Base36 c8mn9

Cryptographic Hash Functions

md5 0c60c9e51c478b62869557aedf867318
sha1 b86e8bc3c03c36b7a3127c2a747b9ee761b9481f
sha256 21ffe0d1ba3422edb0b5bbd3f30506a2b22741f704265a1e92c4f7daecddb6bc
sha512 7c27346e7016bf456317ec57c1d7500e38f457a327a9c7adbd8064f6d127d56ea55eeaca7aa482878a013c55098b2af8f34fad09d58d05002c8dd0fa7606b0e2
ripemd-160 d619631ad6801df7ac518a70a4353b47017a0491

20557989 as geometric shapes

Circle

Radius = n
Diameter 41115978
Circumference 129169654.42996
Area 1.3277341674525E+15

Sphere

Radius = n
Volume 3.6394059212549E+22
Surface area 5.3109366698098E+15
Circumference 129169654.42996

Square

Length = n
Perimeter 82231956
Area 422630911724121
Diagonal 29073386.858917

Cube

Length = n
Surface area 2535785470344726
Volume 8.6884416342845E+21
Space diagonal 35607481.449442

Equilateral Triangle

Length = n
Perimeter 61673967
Area 1.8300455298883E+14
Altitude 17803740.724721

Triangular Pyramid

Length = n
Surface area 1.8300455298883E+14
Volume 1.0239426662577E+21
Height 9691128.9529723